--- old/src/hotspot/os/aix/os_aix.cpp	2018-08-09 10:42:16.878115576 -0400
+++ new/src/hotspot/os/aix/os_aix.cpp	2018-08-09 10:42:16.634115584 -0400
@@ -2705,10 +2705,6 @@
   return (ret == 0) ? OS_OK : OS_ERR;
 }
 
-// Hint to the underlying OS that a task switch would not be good.
-// Void return because it's a hint and can fail.
-void os::hint_no_preempt() {}
-
 ////////////////////////////////////////////////////////////////////////////////
 // suspend/resume support